Toyota Yaris: Sfi System / Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the GTS when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
-
Clear the DTCs.
Click here
-
Change the ECM from normal mode to check mode using the GTS.
Click here
-
Perform a simulation test.
Click here
-
Check and wiggle the harness(es), connector(s) and terminal(s).
Click here
CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2. CUSTOMER PROBLEM ANALYSIS
NEXT
3...
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem...
Other information:
DESCRIPTION The No. 1 blower damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals to move the air inlet damper to the appropriate position, which controls the air inlet switching...
DESCRIPTION The illuminated entry system controls the push start switch illumination. WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE: Before replacing the certification ECU (smart key ECU assembly), refer to Registration. Click here
PROCEDURE 1...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
read more